* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
+#include "base64.h"
#include "chanserv.h"
#include "conf.h"
#include "config.h"
{
struct handle_info *hi;
struct nick_info *ni;
- char crypted[MD5_CRYPT_LENGTH];
+ char crypted[MD5_CRYPT_LENGTH] = "";
if ((hi = dict_find(nickserv_handle_dict, handle, NULL))) {
if(user)
return 0;
}
- if (!is_secure_password(handle, passwd, user))
- return 0;
+ if (passwd)
+ {
+ if (!is_secure_password(handle, passwd, user))
+ return 0;
- cryptpass(passwd, crypted);
+ cryptpass(passwd, crypted);
+ }
#ifdef WITH_LDAP
if(nickserv_conf.ldap_enable && nickserv_conf.ldap_admin_dn) {
int rc;
- rc = ldap_do_add(handle, (no_auth ? NULL : crypted), NULL);
+ rc = ldap_do_add(handle, (no_auth || !passwd ? NULL : crypted), NULL);
if(LDAP_SUCCESS != rc && LDAP_ALREADY_EXISTS != rc ) {
if(user)
send_message(user, nickserv, "NSMSG_LDAP_FAIL", ldap_err2string(rc));
log_module(MAIN_LOG, LOG_WARNING, "Using non-P10 code in accounts, not tested at all!");
#endif
+#ifdef WITH_LDAP
+ if(!hi && nickserv_conf.ldap_enable && nickserv_conf.ldap_autocreate &&
+ (ldap_user_exists(stamp) == LDAP_SUCCESS)) {
+ int rc = 0;
+ int cont = 1;
+ char *email = NULL;
+ char *mask;
+
+ /* First attempt to get the email address from LDAP */
+ if((rc = ldap_get_user_info(stamp, &email) != LDAP_SUCCESS))
+ if(nickserv_conf.email_required)
+ cont = 0;
+
+ /* Now try to register the handle */
+ if (cont && (hi = nickserv_register(user, user, stamp, NULL, 1))) {
+ if(nickserv_conf.default_hostmask)
+ mask = "*@*";
+ else
+ mask = generate_hostmask(user, GENMASK_OMITNICK|GENMASK_NO_HIDING|GENMASK_ANY_IDENT);
+
+ if(mask) {
+ char* mask_canonicalized = canonicalize_hostmask(strdup(mask));
+ string_list_append(hi->masks, mask_canonicalized);
+ }
+
+ if(email) {
+ nickserv_set_email_addr(hi, email);
+ free(email);
+ }
+ }
+ }
+#endif
+
if (hi) {
if (HANDLE_FLAGGED(hi, SUSPENDED)) {
return;
}
}
+#define SDFLAG_STALE 0x01 /**< SASL session data is stale, delete on next pass. */
+
+struct SASLSession
+{
+ struct SASLSession *next;
+ struct SASLSession *prev;
+ struct server* source;
+ char *buf, *p;
+ int buflen;
+ char uid[128];
+ char mech[10];
+ char sslclifp[128];
+ int flags;
+};
+
+struct SASLSession *saslsessions = NULL;
+
+void
+sasl_delete_session(struct SASLSession *session)
+{
+ if (!session)
+ return;
+
+ if (session->buf)
+ free(session->buf);
+
+ if (session->next)
+ session->next->prev = session->prev;
+ if (session->prev)
+ session->prev->next = session->next;
+ else
+ saslsessions = session->next;
+
+ free(session);
+}
+
+void
+sasl_delete_stale(UNUSED_ARG(void *data))
+{
+ int delcount = 0;
+ int remcount = 0;
+ struct SASLSession *sess = NULL;
+ struct SASLSession *nextsess = NULL;
+
+ log_module(NS_LOG, LOG_DEBUG, "SASL: Checking for stale sessions");
+
+ for (sess = saslsessions; sess; sess = nextsess)
+ {
+ nextsess = sess->next;
+
+ if (sess->flags & SDFLAG_STALE)
+ {
+ delcount++;
+ sasl_delete_session(sess);
+ }
+ else
+ {
+ remcount++;
+ sess->flags |= SDFLAG_STALE;
+ }
+ }
+
+ if (delcount)
+ log_module(NS_LOG, LOG_DEBUG, "SASL: Deleted %d stale sessions, %d remaining", delcount, remcount);
+ if (remcount)
+ timeq_add(now + 30, sasl_delete_stale, NULL);
+}
+
+struct SASLSession*
+sasl_get_session(const char *uid)
+{
+ struct SASLSession *sess;
+
+ for (sess = saslsessions; sess; sess = sess->next)
+ {
+ if (!strncmp(sess->uid, uid, 128))
+ {
+ log_module(NS_LOG, LOG_DEBUG, "SASL: Found session for %s", sess->uid);
+ return sess;
+ }
+ }
+
+ sess = malloc(sizeof(struct SASLSession));
+ memset(sess, 0, sizeof(struct SASLSession));
+
+ strncpy(sess->uid, uid, 128);
+
+ if (!saslsessions)
+ timeq_add(now + 30, sasl_delete_stale, NULL);
+
+ if (saslsessions)
+ saslsessions->prev = sess;
+ sess->next = saslsessions;
+ saslsessions = sess;
+
+ log_module(NS_LOG, LOG_DEBUG, "SASL: Created session for %s", sess->uid);
+ return sess;
+}
+
+void
+sasl_packet(struct SASLSession *session)
+{
+ log_module(NS_LOG, LOG_DEBUG, "SASL: Got packet containing: %s", session->buf);
+
+ if (!session->mech[0])
+ {
+ log_module(NS_LOG, LOG_DEBUG, "SASL: No mechanism stored yet, using %s", session->buf);
+ if (strcmp(session->buf, "PLAIN")) {
+ irc_sasl(session->source, session->uid, "M", "PLAIN");
+ irc_sasl(session->source, session->uid, "D", "F");
+ sasl_delete_session(session);
+ return;
+ }
+
+ strncpy(session->mech, session->buf, 10);
+ irc_sasl(session->source, session->uid, "C", "+");
+ }
+ else /* We only have PLAIN at the moment so next message must be credentials */
+ {
+ char *raw;
+ size_t rawlen;
+ char *authzid = NULL;
+ char *authcid = NULL;
+ char *passwd = NULL;
+ char *r;
+ unsigned int i = 0, c = 0;
+ struct handle_info *hi;
+ static char buffer[256];
+
+ base64_decode_alloc(session->buf, session->buflen, &raw, &rawlen);
+
+ raw = (char *)realloc(raw, rawlen+1);
+ raw[rawlen] = '\0';
+
+ authzid = raw;
+ r = raw;
+ for (i=0; i<rawlen; i++)
+ {
+ if (!*r++)
+ {
+ if (c++)
+ passwd = r;
+ else
+ authcid = r;
+ }
+ }
+
+ log_module(NS_LOG, LOG_DEBUG, "SASL: Checking supplied credentials");
+
+ if (c != 2)
+ {
+ log_module(NS_LOG, LOG_DEBUG, "SASL: Incomplete credentials supplied");
+ irc_sasl(session->source, session->uid, "D", "F");
+ }
+ else
+ {
+ if (!(hi = loc_auth(NULL, authcid, passwd, NULL)))
+ {
+ log_module(NS_LOG, LOG_DEBUG, "SASL: Invalid credentials supplied");
+ irc_sasl(session->source, session->uid, "D", "F");
+ }
+ else
+ {
+ snprintf(buffer, sizeof(buffer), "%s "FMT_TIME_T, hi->handle, hi->registered);
+ log_module(NS_LOG, LOG_DEBUG, "SASL: Valid credentials supplied");
+ irc_sasl(session->source, session->uid, "L", buffer);
+ irc_sasl(session->source, session->uid, "D", "S");
+ }
+ }
+
+ sasl_delete_session(session);
+
+ free(raw);
+ return;
+ }
+
+ /* clear stale state */
+ session->flags &= ~SDFLAG_STALE;
+}
+
+void
+handle_sasl_input(struct server* source ,const char *uid, const char *subcmd, const char *data, UNUSED_ARG(const char *ext), UNUSED_ARG(void *extra))
+{
+ struct SASLSession* sess = sasl_get_session(uid);
+ int len = strlen(data);
+
+ sess->source = source;
+
+ if (!strcmp(subcmd, "D"))
+ {
+ sasl_delete_session(sess);
+ return;
+ }
+
+ if (strcmp(subcmd, "S") && strcmp(subcmd, "C"))
+ return;
+
+ if (len == 0)
+ return;
+
+ if (sess->p == NULL)
+ {
+ sess->buf = (char *)malloc(len + 1);
+ sess->p = sess->buf;
+ sess->buflen = len;
+ }
+ else
+ {
+ if (sess->buflen + len + 1 > 8192) /* This is a little much... */
+ {
+ irc_sasl(source, uid, "D", "F");
+ sasl_delete_session(sess);
+ return;
+ }
+
+ sess->buf = (char *)realloc(sess->buf, sess->buflen + len + 1);
+ sess->p = sess->buf + sess->buflen;
+ sess->buflen += len;
+ }
+
+ memcpy(sess->p, data, len);
+
+ /* Messages not exactly 400 bytes are the end of a packet. */
+ if(len < 400)
+ {
+ sasl_packet(sess);
+ sess->buflen = 0;
+ free(sess->buf);
+ sess->buf = sess->p = NULL;
+ }
+}
+
static void
nickserv_db_cleanup(UNUSED_ARG(void* extra))
{
unreg_del_user_func(nickserv_remove_user, NULL);
+ unreg_sasl_input_func(handle_sasl_input, NULL);
userList_clean(&curr_helpers);
policer_params_delete(nickserv_conf.auth_policer_params);
dict_delete(nickserv_handle_dict);
reg_del_user_func(nickserv_remove_user, NULL);
reg_account_func(handle_account);
reg_auth_func(handle_loc_auth_oper, NULL);
+ reg_sasl_input_func(handle_sasl_input, NULL);
/* set up handle_inverse_flags */
memset(handle_inverse_flags, 0, sizeof(handle_inverse_flags));
AddChannelUser(nickserv, chan)->modes |= MODE_CHANOP;
}
}
+
#ifdef WITH_LDAP
ldap_do_init(nickserv_conf);
#endif
projects / irc / evilnet / x3.git / blobdiff